Orthobunyaviruses

Question 1

1) All Bunyaviruses are transmitted by mosquitoes

Answer 1

false

Question 2

2) Bunyaviruses cause oral infection

Answer 2

false

Question 3

3) The virus causing severe fever and thrombocytopenia syndrome is transmitted by tick

Answer 3

true

Question 4

4) Several bunyaviruses are zoonotic agents

Answer 4

true

Question 5

5) Serological cross-reactions are frequent between related bunyaviruses

Answer 5

true

Question 6

6) All bunyaviruses are vectored by insects

Answer 6

false

Question 7

7) All bunyaviruses are vectored by ticks

Answer 7

false

Question 8

8) Orthobunyaviruses are transmitted by haematophagous arthropods

Answer 8

true

Question 9

9) Several virus species belong to Bunyaviridae family, many present only in tropical regions

Answer 9

true

Question 10

10) Bunyaviruses are typically arboviruses

Answer 10

true

Question 11

11) Bunyaviriuses has good antigens and good immune reaction.

Answer 11

true

Question 12

1) The Aino virus causes foetal development problems and abortion in sheep

Answer 12

true

Question 13

1) Akabane virus is zoonotic

Answer 13

false

Question 14

2) Akabane virus causes foetal damages in dogs

Answer 14

false

Question 15

3) Akabane disease virus causes foetal damages in sheep

Answer 15

true

Question 16

4) Abortions and foetal malformations are the most typical signs of Akabane disease

Answer 16

true

Question 17

5) The Akabane disease is mainly seen in geese

Answer 17

false

Question 18

6) The Akabane disease can cause abortion in sheep

Answer 18

true

Question 19

7) The main symptoms of the akabane disease are foetal development disorders

Answer 19

true

Question 20

8) The main symptoms of akabane disease are the malformation of the fetus.

Answer 20

true

Question 21

9) Akabane, Aino and Schmallenberg viruses cause similar disease in ruminants.

Answer 21

true

Question 22

10) Akabane occurs in South-West Africa and is a disease of swine.

Answer 22

false

Question 23

1) Schmallenberg virus causes disease only in Suffolk sheep breed

Answer 23

false

Question 24

2) Schallenberg virus causes foetal damages in humans

Answer 24

false

Question 25

3) Schmallenberg virus causes foetal development problems more frequently in cattle than in sheep

Answer 25

true

Question 26

4) Schmallenberg virus is present worldwide

Answer 26

false

Question 27

5) Schmallenberg virus causes foetal damages in pigs

Answer 27

false

Question 28

6) Schmallenberg virus causes foetal damages in sheep

Answer 28

true

Question 29

7) Schmallenberg virius associated disease as 1st observed in 2011 in certain Western European countries

Answer 29

true

Question 30

8) The Schmallenberg virus causes severe disease in humans

Answer 30

false

Question 31

9) The acute signs of Schmallenberg virus infection in cattle are fever and reduced milk production

Answer 31

true

Question 32

10) Rodents are the reservoir hosts of Schmallenberg virus

Answer 32

true

Question 33

11) In cattle Schmallenberg virus causes transient febrile disease with reduced milk production.

Answer 33

true

Question 34

12) The Schmallenberg virus is a zoonotic agent.

Answer 34

false

Question 35

13) Ticks are reservoirs and vectors of the Schmallenberg virus

Answer 35

false

Question 36

14) Schmallenberg virus was transported to Europe from South-America

Answer 36

false

Question 37

15) Schmallenberg virus emerged in Western Europe, in 2011, and spread rapidly in ruminants

Answer 37

true

Question 38

16) In sheep the Schmallenberg virus mainly causes foetal malformations

Answer 38

true

Question 39

17) Schmallenberg spread by midges vectors

Answer 39

true

Question 40

18) No human case report on Schmallenberg virus

Answer 40

true

Question 41

19) Pneumonia and abortion are the main signs of Schmallenberg virus infection in sheep

Answer 41

false

Question 42

20) Midges are the main vectors of Schmallenberg virus.

Answer 42

true

Question 43

1) Human is a competent host of Rift Valley fever virus i.e. the viraemic titre is high enough to infect the vector

Answer 43

true

Question 44

2) The Rift valley fever virus damages the blood vessels thus causes haemorrhages

Answer 44

true

Question 45

3) Wild rabbits are reservoirs of Rift valley fever virus

Answer 45

false

Question 46

4) Rift valley fever is a human only disease

Answer 46

false

Question 47

5) The rift valley fever virus causes foetal damages in sheep

Answer 47

false

Question 48

6) Certain European mosquito species are competent vectors of Rift Valley fever virus

Answer 48

true

Question 49

7) Rift Valley fever may cause high lethality in young ruminants

Answer 49

true

Question 50

8) Rift Valley fever virus is a zoonotic agent

Answer 50

true

Question 51

9) The Rift Valley fever virus can cause reproductive disorders in cattle and sheep

Answer 51

true

Question 52

10) Necrotic hepatitis is a lesion of Rift Valley fever

Answer 52

true

Question 53

11) Rift-valley fever caused human epidemics in Africa

Answer 53

true

Question 54

12) Rift Valley fever virus caused severe human outbreaks in Africa and in the Arab peninsula.

Answer 54

true

Question 55

13) The principle vectors of the rift valley disease are gnats

Answer 55

false

Question 56

14) Rift valley fever outbreaks are most frequently seen in horses

Answer 56

false

Question 57

15) Rift valley fever virus may cause 100% mortality in young susceptible animals

Answer 57

true

Question 58

16) In enzootic regions vaccines are used for the prevention of rift valley fever

Answer 58

true

Question 59

1) Nairobi sheep disease causes generalized infection in the animals

Answer 59

true

Question 60

2) Vaccines are available in endemic regions to prevent Nairobi sheep disease

Answer 60

true

Question 61

3) Nairobi sheep disease leads to abortion in the infected pregnant animals

Answer 61

true

Question 62

4) Nairobi sheep disease causes haemorrhagic enteritis in the infected animals

Answer 62

true

Question 63

5) Nairobi disease virus causes foetal damages in sheep

Answer 63

true

Question 64

6) The Nairobi sheep disease can cause abortion in sheep

Answer 64

true

Question 65

7) The most frequent sign of the Nairobi sheep disease is encephalitis

Answer 65

false

Question 66

8) Haemorrhagic gastroenteritis is a lesion of Nairobi sheep disease

Answer 66

true

Question 67

9) Nairobi sheep disease is zoonotic

Answer 67

true

Question 68

10) Nairobi sheep disease can cause haemorrhagic enteritis among sheep

Answer 68

true

Question 69

11) The most important symptom of the Nairobi sheep disease is nephritis.

Answer 69

false

Question 70

12) Nairobi disease occurs mainly in sheep

Answer 70

true

Question 71

13) The leading symptom of Nairobi disease is renal insufficiency

Answer 71

false

Question 72

14) The Nairobi sheep disease is vectored by ticks

Answer 72

true

Question 73

15) Nairobi sheep disease primarily causes pathological changes in the kidney (renal insufficiency).

Answer 73

false

Question 74

1) Small rodents serve as reservoir hosts of Hantaviruses

Answer 74

true

Question 75

2) Hantaviruses can cause renal failure in human

Answer 75

true

Question 76

3) Hantaviruses may cause respiratory disease in humans

Answer 76

true

Question 77

4) Hantaviruses causes haemorrhagic fever in humans

Answer 77

true

Question 78

5) Hantaviruses cause hemorrhagic fevers in rodents

Answer 78

false

Question 79

6) Hanta viruses can cause renal symptoms in humans

Answer 79

true

Question 80

7) Mainly rodents are the natural reservoir of hanta viruses

Answer 80

true

Question 81

8) Hanta viruses are naturally maintained by rodents

Answer 81

true

Question 82

9) In domestic animals Hanta viruses typically cause liver dystrophy

Answer 82

false

Question 83

10) Hanta virus infected people may develop severe renal failure

Answer 83

true

Question 84

11) Rodents are reservoir for Hanta virus

Answer 84

true

Question 85

12) Hanta virus cause renal disorders in humans

Answer 85

true

Question 86

13) Hanta viruses cause encephalitis in horses

Answer 86

false

Question 87

1) The Crimean-congo haemorrhagic fever is a human disease with headache, muscle pain and skin haemorrhages

Answer 87

true

Question 88

2) Crimean-Congo Haemorrhagic fever virus is tick born

Answer 88

true